On Fri, Feb 16, 2024 at 11:00:34AM -0800, Andrew Pinski wrote:
> This testcase was fixed by r14-5934-gf26d68d5d128c8 but we should add
> one to make sure it does not regress again.
>
> Committed as obvious after a quick test on the testcase.
>
> PR c++/97990
>
> gcc/testsuite/ChangeLog:
>
> * g++.dg/torture/vector-struct-1.C: New test.
>
> Signed-off-by: Andrew Pinski <quic_apin...@quicinc.com>
> ---
> gcc/testsuite/g++.dg/torture/vector-struct-1.C | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
> create mode 100644 gcc/testsuite/g++.dg/torture/vector-struct-1.C
>
> diff --git a/gcc/testsuite/g++.dg/torture/vector-struct-1.C
> b/gcc/testsuite/g++.dg/torture/vector-struct-1.C
> new file mode 100644
> index 00000000000..e2747417e2d
> --- /dev/null
> +++ b/gcc/testsuite/g++.dg/torture/vector-struct-1.C
> @@ -0,0 +1,18 @@
> +/* PR c++/97990 */
> +/* This used to crash with lto and strict aliasing enabled as the
> + vector type variant still had TYPE_ALIAS_SET set on it. */
You don't have -Wstrict-aliasing here without which the test didn't ICE.
> +typedef __attribute__((__vector_size__(sizeof(short)))) short TSimd;
> +TSimd hh(int);
> +struct y6
> +{
> + TSimd VALUE;
> + ~y6();
> +};
> +template <class T1,class T2>
> +auto f2(T1 p1, T2){
> + return hh(p1) <= 0;
> +}
> +void f1(){
> + f2(0, y6{});
> +}
> --
> 2.43.0
>
Marek
